. "# Debrah DO, Novak J, Matthews JE, Ramirez RJ, Shroff SG, Conrad KP: Relaxin is essential for systemic vasodilation and increased global arterial compliance during early pregnancy in conscious rats. Endocrinology. 2006 Nov;147(11):5126-31. Epub 2006 Jul 27. \"Pubmed\":http://www.ncbi.nlm.nih.gov/pubmed/16873529 # Nistri S, Cinci L, Perna AM, Masini E, Mastroianni R, Bani D: Relaxin induces mast cell inhibition and reduces ventricular arrhythmias in a swine model of acute myocardial infarction. Pharmacol Res. 2007 Nov 9;. \"Pubmed\":http://www.ncbi.nlm.nih.gov/pubmed/18068999"@en . . "Investigated for use/treatment in cardiovascular disorders, congestive heart failure, infertility, peripheral vascular disease, and scleroderma."@en . "investigational"@en . . "Recombinant human relaxin inhibits contractions of the uterus and may play a role in timing of delivery. Relaxin works by simultaneously cutting collagen production and increasing collagen breakdown."@en . . . . "Humans and other mammals"@en . "Recombinant human relaxin is a hormone produced during pregnancy that facilitates the birth process by causing a softening and lengthening of the cervix and the pubic symphysis (the place where the pubic bones come together).It is a heterodimer protein secreted by the corpus luteum and placenta during pregnancy."@en . "recombinant human relaxin"@en . .